问题
选择题
．---It is reported that there is _____ big breakthrough in the cancer treatment．
---If only my son could be brought back to _____ life!
A．a; /
B．/; a
C．the; the
D．a; the
答案
A
考查冠词。a big breakthrough一个大的突破；bring back to life使活泼, 使生动, 使苏醒，根据句意选A。